#10-16 x 5/8 Inch Zinc Plated Low Carbon Steel Pan Head Type-Ab Self-Tapping Sheet Metal Screw Best Seller Headliner Trim Panel Retainer -

Headliner Trim Panel Retainer - Buick Skylark

Molding Retainer With Sealer Nissan Alyima

Fascia Push Type Retainer - GM General Motors All 1982 - On

Additionally these fasteners are available in plated and plain varieties

They are used as a locking device to hold pins or castle nuts in place

#10-16 x 5/8 Inch Zinc Plated Low Carbon Steel Pan Head Type-Ab Self-Tapping Sheet Metal Screw Best Seller Headliner Trim Panel Retainer -Pan head design is slightly rounded with minimal vertical sides. Square drive is designed to reduce the risk of stripping and allow single handed installation. Additionally reduces the ability to tamper with the fastener once installed.